package com.atguigu.gulimall.order.config;

import com.atguigu.gulimall.order.entity.OrderEntity;
import com.rabbitmq.client.Channel;
import org.springframework.amqp.core.*;
import org.springframework.amqp.rabbit.annotation.RabbitListener;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import java.io.IOException;
import java.util.HashMap;
import java.util.Map;

/**
 * 自动创建交换机，队列，绑定关系
 * 容器中的 Queue, Exchange, Binding 都会自动创建（在RabbitMQ中没有的情况下）
 */
@Configuration
public class MyMQConfig {


    /**
     * 容器中的 Queue, Exchange, Binding 都会自动创建（在RabbitMQ中没有的情况下）
     * @return
     */
    @Bean
    public Queue orderDelayQueue(){
        Map<String, Object> args = new HashMap<>();
        args.put("x-dead-letter-exchange", "order-event-exchange");
        args.put("x-dead-letter-routing-key", "order.release.order");
        args.put("x-message-ttl", 60000);
        //String name, boolean durable, boolean exclusive, boolean autoDelete, @Nullable Map<String, Object> arguments
        Queue queue = new Queue("order.delay.queue", true, false, false, args);
        return queue;
    }

    @Bean
    public Queue orderReleaseOrderQueue(){
        return new Queue("order.release.order.queue", true, false, false);
    }

    @Bean
    public Exchange orderEventExchange(){
        //String name, boolean durable, boolean autoDelete, Map<String, Object> arguments
        return new TopicExchange("order-event-exchange", true, false);
    }

    @Bean
    public Binding orderCreateOrderBinding(){
        //String destination, Binding.DestinationType destinationType, String exchange, String routingKey, @Nullable Map<String, Object> arguments
        return new Binding("order.delay.queue", Binding.DestinationType.QUEUE,
                "order-event-exchange", "order.create.order", null);
    }

    @Bean
    public Binding orderReleaseOrderBinding(){
        return new Binding("order.release.order.queue", Binding.DestinationType.QUEUE,
                "order-event-exchange", "order.release.order", null);
    }

    @Bean
    public Binding orderCloseStockBinding(){
        return new Binding("stock.release.stock.queue", Binding.DestinationType.QUEUE,
                "order-event-exchange", "order.release.other.#", null);
    }
}
